<div class="adminui-topbar">
    <div class="left-panel">
        <el-breadcrumb separator-icon="arrow-right" class="hidden-sm-and-down">
            <transition-group name="breadcrumb" mode="out-in">
                <template v-for="item in breadList" :key="item" >
                    <el-breadcrumb-item>{{item}}</el-breadcrumb-item>
                </template>
            </transition-group>
        </el-breadcrumb>
    </div>
    <div class="center-panel"></div>
    <div class="right-panel"></div>
</div>